wnpa-sec-2016-18 · ASN.1 BER dissector crash

Summary

Name: ASN.1 BER dissector crash

Docid: wnpa-sec-2016-18

Date: February 26, 2016

Affected versions: 2.0.0 to 2.0.1, 1.12.0 to 1.12.9

Fixed versions: 2.0.2, 1.12.10

References:

Wireshark issue 11822.
CVE-2016-4421.

Details

Description

The ASN.1 BER dissector could crash. Discovered by Mateusz Jurczyk.

Impact

It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file.

Resolution

Upgrade to Wireshark 2.0.2, 1.12.10 or later.